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Scorpion Pistol – Refurb Advice Needed

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just bought a tatty old BSA Scorpion pistol in .22. No sights. Dovetail grooves so Mk2?. Its hard to cock, it does fire, but its not producing enough power to push a pellet down the barrel.

A full refurb is in order.

I have a couple of breech seals (BSA and Weihrauch suggested a better seal by someone online), a new standard mainspring, Piston O ring, Buffer washer, Piston head washer, and Piston retainer clip or Piston Head retaining washer on the way from Chambers.

I will try a piston sleeve.

Any improvements/suggestions about the trigger?

Any other suggestions.

The barrel and action have quite a few rust spots blooming through. Any suggestions, try cold blueing stuff (any recommendations?) or paint (any recommendations?).

I would like to put open sights back on, but will be using a pistol scope until I find some at reasonable cost.



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